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99794452680 = 2335513279769
BaseRepresentation
bin101110011110000110…
…1101000000011001000
3100112120211212110100000
41130330031220003020
53113334334441210
6113502301243000
710131666565116
oct1347415500310
9315524773300
1099794452680
113936040438a
1217410b63460
139545062500
144b89a36ab6
1528e1186ac0
hex173c3680c8

99794452680 has 576 divisors, whose sum is σ = 369296928000. Its totient is φ = 24222302208.

The previous prime is 99794452663. The next prime is 99794452697. The reversal of 99794452680 is 8625449799.

99794452680 is a `hidden beast` number, since 9 + 97 + 9 + 445 + 26 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (99794452663) and next prime (99794452697).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 129771336 + ... + 129772104.

It is an arithmetic number, because the mean of its divisors is an integer number (641140500).

Almost surely, 299794452680 is an apocalyptic number.

99794452680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99794452680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184648464000).

99794452680 is an abundant number, since it is smaller than the sum of its proper divisors (269502475320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99794452680 is a wasteful number, since it uses less digits than its factorization.

99794452680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 99794452680 in words is "ninety-nine billion, seven hundred ninety-four million, four hundred fifty-two thousand, six hundred eighty".